/*
	QMPlay2 is a video and audio player.
	Copyright (C) 2010-2017  Błażej Szczygieł

	This program is free software: you can redistribute it and/or modify
	it under the terms of the GNU Lesser General Public License as published
	by the Free Software Foundation, either version 3 of the License, or
	(at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU Lesser General Public License for more details.

	You should have received a copy of the GNU Lesser General Public License
	along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/

#include <OpenThr.hpp>

#include <QCoreApplication>

extern "C"
{
	#include <libavformat/avformat.h>
}

void AbortContext::abort()
{
	QMutexLocker locker(&openMutex);
	isAborted = true;
	openCond.wakeOne();
}

/**/

void OpenThr::drop()
{
	moveToThread(qApp->thread()); //Execute "deleteLater()" in main thread, because in this thread "processEvents()" might not be called.
}

OpenThr::OpenThr(const QByteArray &url, AVDictionary *options, QSharedPointer<AbortContext> &abortCtx) :
	m_url(url),
	m_options(options),
	m_abortCtx(abortCtx),
	m_finished(false)
{
	connect(this, SIGNAL(finished()), this, SLOT(deleteLater()));
}

bool OpenThr::waitForOpened() const
{
	QMutexLocker locker(&m_abortCtx->openMutex);
	if (!m_finished && !m_abortCtx->isAborted)
		m_abortCtx->openCond.wait(&m_abortCtx->openMutex);
	if (m_abortCtx->isAborted)
		return false;
	return true;
}

bool OpenThr::wakeIfNotAborted()
{
	QMutexLocker locker(&m_abortCtx->openMutex);
	if (!m_abortCtx->isAborted)
	{
		m_finished = true;
		m_abortCtx->openCond.wakeOne();
		return true;
	}
	return false;
}
